STM32 MCUs Motor control

 Is it possible to change the starting direction in open-loop control? Can I adjust the initial parameters based on the potentiometer value? Where can I configure this? 

Hi,I’m facing an issue with ST Motor Control Workbench version 5.4.8. After configuring everything, I tried generating the code, but I encountered a generation failure. I checked all configurations, and there are no clear error messages explaining the issue.I’ve also tried using the latest version of Motor Control Workbench, where the code generation works correctly, but the program still shows errors when running on the hardware.Here are the details of my setup:STM32F303VC (100-pin package)Motor parameters are configured, and all firmware libraries are installed.The latest firmware package is installed, and directory permissions seem correct.Could this be a version mismatch with the firmware libraries, or is there a specific version of Motor Control Workbench that’s known to work best with the STM32F303VC?I’m attaching a screenshot of the error. Any advice or guidance on how to resolve the generation failure or which version to use would be greatly appreciated. Thanks & regar

Dear All,I am developing a motor control system(FOC) with STM32H5.In the FOC process, while completing the ADC conversion for current measurement, it enters the ADC interrupt, where I read the TIM2 counter(for Encoder interface) to obtain rotor angle information.What I’m considering is that since the motor is rotating, reading the TIM2 value after ADC converts(current measurement)  may not ensure that they are synchronized (althought the time difference is minimal). Does STM32H5 have any features that can trigger TIM2 to latch the counter simultaneously when sampling the current?Best Regards, 

Hi,How to use an inbuilt potentiometer? what are the steps (APIs) need to use?I have used the below-linked code. But it didn't work.code i used Thanks Mathan

Hi, team.I have STEVAL-ESC002V1.This ESC board use STSPIN32F0A and integrated MCU is STM32F031C6.I want to know how to make a project for STSPIN32F0A on CubeMX.There no selector for STSPIN32F0A.I think I should select STM32F031C6, but I don't know the model number after C6.How do I start a project? 

We have an application where we need to use the STM32H747XI with it's MIPI DSI display and the corresponding application running on CM7 and we need to commutate a BLDC motor on with the CM4. There is support for NUCLEOH745ZI on on the STM32CubeMX but we need to implement it on the STM32H747XI. I tried to port the whole middleware of MotorControl to it but I'm unable to complete my requirement. Is there anyway of acquiring native support for STM32H747I-DISCO for the MCSDK, I have little experience with the STM32 environment.

We have to been trying to establish serial communication between our motor and controller. For that we are referring the document attached in the mail. We are using the mc workbench version 6.3.0 .  When we connect and control motor from motor pilot it works fine , but when we try some other serial communication software ( like real term , Hercules) then we are unable to run the motor even though we are sending the same hex code. This is the command motor pilot sends for starting the motor, and in this case motor starts correctly. We are sending the same command through other serial communication software (like real term)  but motor is not starting.Please look into the problem . Looking forward to your response .

Hello,I have developed a custom BLDC Motor Controller board using STSPIN32F0. During the testing of board, it was observed that its built-in DC/DC Buck Converter was not producing 3V3. After going through AN5128, I found a mistake that other side of SW's inductor was not connected to VDDA (this VDDA is also connected with VDD). So, I shorted these two points as shown in below figure during the board was powered on. I tiny spark was on the capacitor where I placed a jumper wire but it was found that VDD and GND have been permanently shorted. I removed all the VDD to GND caps to clear the fault which was eventually cleared on removing the STSPIN32F0. Now, I have only one spare STSPIN32F0 and I don't want to brick. I have following queries if someone could answer:According to following figure, I need to connect above short which led to bricking STSPIN32F0. If, so, STSPIN32F0 was damaged due to making that short when device was already powered on and may be giving full VM voltage? I c

A nice function would beif in the tab "Sensorless start-up parameters" new choice was added to use open-loop control insteand of startup profile where you could configure how much current/voltage at given speed in several steps and threshold to switch to closed-loop control.It would be good if I want the motor to operate permanently at very low speeds and have the possibility to regulate the speed (same as open-loop control in motor pilot),until the engine reaches the given speed(configurable treshold) it will automaticaly switch to closed loop control(6-step or FOC) in sensorless mode of course. 

Hi,I want to control a motor in position mode but also want to be able to just move the motor with no given end position.I have the positioning mode working so far and recently I found out that when calling MC_ProgramPositionCommandMotor1 with a duration of 0 the TC_FollowCommand function call is used. But somehow I can't get it to work. I'M using MC-SDK 6.2.1 on a STM32F746 controller.Do have to add something to the code to get this working properly?

Hi all.I'm looking to gather more informatiion regarding the IHM14A1 stepper motor driver expansion board.  This particular product is now a 10 year old device (but new to me).  I have in my posession almost every document available and also the example application/code for its implementation via the SPN14 Cube Expansion package.The example application is very good.  I have a IHM14A1 board running - without code modification - on both F303RE and F411RE Nucleo boards, driving a Nema17 motor well (within the confines of this example).There doesn't seem to be - anywhere - information regarding the ability to 'stack' multiple IHM14A1's on top of a single (supported) MCU and have them run independently from each other.  This is something that ST Microelectronics lists (in it's markrting) as a key point however, the example provided is for single motor operation with no indication of how to operate them in a stacked configuration on a single Nucleo other than stating that

Hello,Some requests for support.History:Motor profile generated for I-PMSM motor.Motor profile carried out with:NUCLEO-F303RESTEVAL-IPM20BSee attachment (JEE15IHM1150012MH.zip) for motor profile result.After this MC workbench project made with inverter EVSPIN32F0602S1. Motor file used.See attachment 20241001.zipResult is a motor which starts CW, after a while it changes to CCW and finally it stops with com port error.See attachment result.zip.Any idea how to get a better/stable result?Thanks in advance for any support.I will share any progress from my side. 

Hello Team,    We already had code for one of the BLDC driver IC for which we are using STM32F446RE controller . this controller is used  for providing PWM pulse to all six MOSFET ,this code is simple which rotate motor in open loop mode and speed is control by input voltage,for reference program is attached.For compact size are using STEVAL-SPIN3204 eval kit.we want to implement same code for STEVAL-SPIN3204. while implementing we change all port numbers for MOSFET and hall sensor input but still that code is not working.In attached code we have define six step with respect to hall sensor input.for cross verification can you share table which will have MOSFET switching on and off wrt to hall sensor input (for reference snapshot shown below)Basically we want to understand how six step are operating with respect to hall input, with information we can modify our code.  

HelloTeam ,  we want to run BLDC motor using the STEVAL-SPIN3204 evalution board.In closed loop mode when we set speed 8000rpm it reach to 3000rpm and stop , after tunning KP and Ki in motor pilot the speed slightly increases.Now we want to rotate motor in open loop at 30000rpm using hall sensor , for that in motor control work bench in drive setting we selecting open loop in debug setting section (snapshot shown below).   after saving and generating project and generating code ,I am getting below error while building project in SMT IDE    can you please guide how to solve above error.my requirement is to run motor in open loop upto 30krpm in both direction in sensored mode i.e using hall sensorplease also tell us how to change direction of motor. Regards,Sayali   

Dear all,I would like to use ST Motor Control Workbench for BLDC FOC Control. I have installed version 5.4.4 and used an example project to generate code. However, the workbench doesnt generate code and gives error ("STM32CubeMX not found - ver. "4.25.0" or higher is required"). I had already STMCubeMx version 5.6.1 before installing motor control workbench and I am able to generate code using CubeMx alone. Is there a way to link these two programs manually? Best regards,Berat

I would like to see examples of motor control code found in the MC_SDK repository. I don't want to debug them, I would just need to see the main etc.I chose one of the many projects contained in the "Projects" folder and I followed the procedure in the readme.txt file contained in that Project folder:The readme.txt file states:I got to step 5: I imported on the IDE the project but in the main.c I don't see any written instruction (in the spaces provided "USER CODE BEGIN" etc.) .. there are only the intializations.1) I don't understand if I did something wrong in the import or in the steps (up to step 5)2) Reading the next steps, I understand that all the code is contained in a binary image that I should import .. am I wrong? If I am right, I am asking for help because I have no idea where it is and how to do it.3) I ask you if, in these examples, I can view your source code so that I can study it ... because I don't need the practical demonstration of the engine, but the source code wh

Motor Control Workbench v6.3.0I tried making a clone of the EVLSPIN32G4-ACT dev kit PCB and it seems to somewhat work after debug downloading but has a few issues:UART1 and ASPEP protocol seems to only receive the first transmission and it does not respondButton press C13 to make the motor spin does not workResetting the processor with NRST results in weird values being initialized into structs and lots of structs saying "Cannot access memory"Problem 1: UART1 seems to only receive first transmission, and does not respondStarting from debug download start I see that aspepOverUartA has rxHeader[0-4] = 0I have a python script I'm using to test the EVLSPIN32G4-ACT dev kit comms.  I use it to send a beacon command of "0x85 0xff 0xff 0xbf", to which the dev kit responds with "05 c3 00 d4".  I see that the custom board receives the BEACON command of "0x85 0xff 0xff 0xbf", but the python script does not get a response.Further attempts to send messages to the custom board does not cha

Motor Control Workbench v6.3.0I made a clone of the EVSPING4-ACT board but I'm not able to connect the Motor Pilot to it.  I'm using the same firmware, same debugger, and same power supply.  I confirmed the pin connections are correct and it looks like the Motor Pilot connects but is not able to configure itself.  The logs below show me trying to connect to the custom board, then connecting succesfully to the EVSPING4-ACT dev kit, disconnecting from the dev kit, and re-trying connecting to the custom board:CUSTOM BOARD: [INFO] - : Connecting to Board [INFO] - UART worker: Successfully open port COM4 @ 1843200 [INFO] - : try to configure the board [INFO] - : disconnect UART START [INFO] - : Disconnected from board [INFO] - : disconnect UART END DEV KIT: [INFO] - : Connecting to Board [INFO] - UART worker: Successfully open port COM4 @ 1843200 [INFO] - : try to configure the board [INFO] - : Connected to board [INFO] - MotorControlRegistersBank: new scale apply VOLTAGE_SC

I connected the B-G431-ESC inverter to a DJI2312 motor and created the project on MC Workbench version 6.1.0 (I also tried 6.1.3).I would like to use the motor pilot but when I press on "discover board" the board is not recognized.In the generated the IDE .c file and a baudrate = 115200 is specified in "MX_USART2_UART_Init " What is the orange mesage?I updated ST-LINK with the last version using STM32 ST-LINK Utility   

Hello there,I am trying to generate 6 Step motor control firmware for some custom hardware based on the B-G431B-ESC1.I would like to use the ESC PWM input feature, however the auto-generated code throws errors. This feature works fine in FOC mode, and I have tried to fix the errors by copying across the code generated in the FOC project and changing the TIMER configurations, but to no avail.The problem is described in this post:Error when generating code with MC Workbench 6.3.0 - STMicroelectronics CommunityThe responses there suggested this would be fixed in the 6.3.1 release. Is there any news on when this version will become available, or would it be possible to gain access to the beta?Many thanks

[VERSION]: MCSDK.6.3.0[TOOL]: ST Motor Pilot V1.2.9[DETAILS]: BLDC motor, 12V, single pole pair. I want to control the motor via a PWM signal. I am able to send pwm signal through onboard uart pins available from J7 RX/TX pins, into a new variable called P1. Now how do I assign the scaled value acquired from PWM to give to the onboard ADC pin available through TP4 ( variable pin on the onboard potentiometer) .  

Hi,I am trying to understand the protocol, especially how to interpret the data packets to have custom code for auto motor ramp-up.I see there are some documents under MC workbench -> About. However, I still cannot find the details about the data packet structure.For instance: Upon executing a sample project through MC Workbench, Cubemx, and CubeIDE, and subsequently initiating the motor using Pilot. I observed the initial packet captured from the UART TX pin as 0x05, 0xC3, 0x00, 0xD4(using a logic analyzer). I speculate this to be a beacon, as indicated by beacon 0x05 from aspep.h, and the Motor Control Protocol Suite documentation mentions the initialization of a beacon from the host. Despite this, I've been unable to locate any documentation detailing the composition of the other three bytes or any specifics regarding the structure of the data packet. The SDK is very complicated as well. It takes too long to understand what each packet means. [VERSION]: MCSDK 6.2.1[TOOL]: MC

Info: MC SDK 6.3.0. My motor is driven by an inverter based on the B-ESC development board in sensorless-FOC mode. Using Motor Pilot to issue commands.Setup: I have mechanically locked the motor from turning.Expectation: when the startup sequence completes, the system would recognize the total lack of motion and generate a speed feedback fault.Actual Behavior: the system believes there to be rotation at an RPM equal to the setpoint. Thus, no speed feedback fault is generated and the system remains in the "RUN" state. I can even change the setpoint and the feedback will settle on the new setpoint, despite complete lack of motion of the motor.A locked rotor is a fairly likely error state to encounter in the field, and the inability for the system to distinguish it from normal rotation is a serious issue.

I’m working with the STEVAL-ESC001V1 and noticed that there is no overcurrent protection (OCP) feature. How can I enable or implement OCP using firmware version 6.3.0? Are there any specific guidelines or examples to follow?

I am trying to operate an 8-pole pair 48V PMSM motor withSTEVAL-CTM009V1IHM09M2Nucleo-G431RBSensorless with Observer + Cordic. I have run a motor profile with EVALSTDRIVE101. I have entered the parameters for the motor in MC Workbench 6.3.1. I have set the Startup Rev-Up procedure and it starts most of the time, but when it switches from Rev-Up to Observer (Start to RUN) the motor does not turn further. It starts to wobble between two coils.The motor is in free rotation without a load.Can someone give me a hint on what i have to change?Thanks in advance